Section 2-1 · Pages 83–91 (9 pages)
Pre-Diagnosis Steps and Testing
From the 1956–1957 GM Controlled Coupling Hydra-Matic Transmission Service Manual
- Make
- Cadillac, General Motors, Hudson, Nash, Oldsmobile, Pontiac
- Models
- 1956–1957 Cadillac, Oldsmobile (Jetaway), Pontiac (Strato-Flight), Nash and Hudson (Flashaway)
- Publication
- A-3755
- Pages
- 267
The first checks before any teardown: fluid level, linkage and engine condition. It then gives the neutral test, oil pressure test, road test with a table of shift speeds, and air testing of the clutch circuits.
What this section covers
- Check fluid level
- Check all linkage
- Check the engine
- Neutral test
- Oil pressure test
- Road testing and shift speeds
- Air testing
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Other manuals for this vehicle
1940Parts Catalog1940–1955 GM Automatic Transmission Parts Catalog A-3010A-3010
1940Parts Catalog1940–1956 GM Hydra-Matic Transmission Parts Catalog (1956 Edition)Bulletin 37A-100 (A-3700)
1946Service Manual1946–1955 General Motors Hydra-Matic On-the-Car Adjustment Service ManualJ 6372
1945Service Bulletin1947 GM Product Service Bulletin – November 1947 Issue
1946Service Bulletin1948 GM Product Service Bulletin – April 1948 Issue
1946Service Bulletin1948 GM Product Service Bulletin – August 1948 Issue
1946Service Bulletin1948 GM Product Service Bulletin – February 1948 Issue
1936Service Bulletin1948 GM Product Service Bulletin – May 1948 Issue